/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraGraph.h
[TOptional](API\Runtime\Core\IO\TOptional)< [ENiagaraDefaultMode](API\Plugins\Niagara\ENiagaraDefaultMode) > GetDefaultMode ( const [FNiagaraVariable](API\Plugins\Niagara\FNiagaraVariable) & Variable, [FNiagaraScriptVariableBinding](API\Plugins\Niagara\FNiagaraScriptVariableBinding) * Binding ) const